Re: IBM-MAIN Digest - 17 Dec 2006 to 18 Dec 2006 (#2006-353)

2006-12-22 Thread glen herrmannsfeldt
"Shmuel Metz (Seymour J.)" wrote: (after someone else wrote) >>Only if you want to match up with the vendor numbers. ;). Disk >>x-bytes are always in multiples of 10 instead of powers of 2 > Always is a long time. There is no industry standard; > even a unit of 2^10*10^3 is or was common. For

Re: IBM-MAIN Digest - 17 Dec 2006 to 18 Dec 2006 (#2006-353)

2006-12-22 Thread glen herrmannsfeldt
(snip on instruction fetch vs. execution exceptions) > one of the reasons that 360/67 had an 8-entry associative array (dlat, > tlb, etc) ... was the worse case for "EXECXUTE" of SS instructions > required eight different page addresses. > "EX" (execute) of another instruction > 2 pages - instru